A hummingbird chick in Panama mimics a poisonous caterpillar to avoid predators—a rare case of bird-to-insect mimicry. When ...

D modeling reveals that as bird brains grew larger, it led to changes in jaw muscles and joint mechanics—enabling the ...

This week's Newsweek Pet of the Week winner is 30-year-old Moluccan cockatoo Max who lives in Calgary, Alberta. Max is well known for something rather unusual for a bird—his extensive on-trend ...